package servlet;

import domain.User;
import service.UserService;
import service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * @Author admin
 * @Date 2019/3/4 11:26
 */
@WebServlet(name = "loginServlet",urlPatterns = "/loginServlet")
public class loginServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        UserService service = new UserServiceImpl();
            User user = service.login(username, password);
            if (user!=null){
                HttpSession session = request.getSession();
                session.setAttribute("user",user);
                String path=request.getContextPath();
                response.sendRedirect(path+"/findAll");
            }else {
                request.setAttribute("msg","用户名或密码错误");
                request.getRequestDispatcher("/login.jsp").forward(request,response);

            }
        }

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request,response);
    }
}
